American made a minister, somehow circumventing the usual channels? (10,5)

I believe the answer is:

mainstream media

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'circumventing the usual channels?' is the definition.
I don't know anything about this answer so I cannot tell whether it can be defined by this definition.

'american made a minister somehow' is the wordplay.
'american' becomes 'ma' (I can't explain this - if you can you should believe this answer much more).
'somehow' indicates anagramming the letters.
'made'+'a'+'minister'='madeaminister'
'madeaminister' is an anagram of 'instreammedia'.
'ma'+'instreammedia'='MAINSTREAM MEDIA'

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I've seen this clue in The Independent.

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